/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsEditorOnlyExp/Public/SkeletalMesh/SkeletonEditingTool.h
A wrapper change class that stores a reference skeleton and the bones' indexes trackers to be used for undo/redo.
class FRefSkeletonChange : public [FToolCommandChange](API\Runtime\InteractiveToolsFramework\FToolCommandChange)